Patents by Inventor Udo Fritsch

Udo Fritsch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Thermoelectric cooler and warmer
    Patent number: 5319937
    Abstract: A thermoelectric cooler and warmer which has a unique ventilation system to distribute cool or warm air throughout the unit so that there are no hot or cool spots, a door which is mounted so that it can be easily opened whether the door is facing up or facing front, a lid or door latch which can be easily and reliably operated, and/or a handle configuration which does not unbalance the unit so that it can be advantageously placed with the door up or on an end with the lid or door facing front so that it can be advantageously used as a conventional chest or as a portable mini-refrigerator or warming unit.
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: June 14, 1994
    Assignee: Igloo Products Corporation
    Inventors: Udo Fritsch, James J. J. Costello
  • Fluorescent fixture
    Patent number: D252654
    Type: Grant
    Filed: May 11, 1977
    Date of Patent: August 14, 1979
    Inventor: Udo Fritsch
  • Portable refrigerator, warmer, or the like
    Patent number: D320606
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: October 8, 1991
    Inventor: Udo Fritsch